Fatal error: Uncaught Error: Class 'Symfony\Flex\Configurator\AbstractConfigurator' not found in C:\Apache24\htdocs\cwlms\vendor\symfony\flex\src\Configurator\ContainerConfigurator.php:21 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cwlms\vendor\symfony\flex\src\Configurator\ContainerConfigurator.php on line 21